Modified alkali-resistant glass fiber reinforced concrete and preparation method thereof
An alkali-resistant glass fiber and reinforced concrete technology, applied in the field of building materials, can solve problems such as poor mechanical properties and poor impermeability, and achieve the effects of enriching porosity and roughness, avoiding cracking, and reducing pore channels
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example 1
[0024] Add peach gum and water to the beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the beaker into a magnetic stirrer with digital display speed measurement and constant temperature at a temperature of 40°C and a speed of 500r / min Under certain conditions, heat and stir to dissolve for 40 minutes to obtain the peach glue solution; add alkali-resistant glass fiber and peach glue solution into a beaker at a mass ratio of 1:100, stir, mix and soak for 2 hours at a rotating speed of 600r / min, and then filter. Obtain filter cake, and gained filter cake is washed 5 times with deionized water, must soak alkali-resistant glass fiber; Soak alkali-resistant glass fiber is placed in the muffle furnace, feed nitrogen into furnace with 60mL / min speed, in Under nitrogen protection, heat up to 550°C at a rate of 8°C / min. After carbonization for 3 hours, heat up to 1600°C at a rate of 15°C / min. After 4 hours...
example 2
[0026]Add peach gum and water to the beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the beaker into a magnetic stirrer with digital display speed measurement and constant temperature at a temperature of 40°C and a speed of 500r / min Under certain conditions, heat and stir to dissolve for 40 minutes to obtain the peach glue solution; add alkali-resistant glass fiber and peach glue solution into a beaker at a mass ratio of 1:100, stir, mix and soak for 2 hours at a rotating speed of 600r / min, and then filter. Obtain filter cake, and gained filter cake is washed 5 times with deionized water, must soak alkali-resistant glass fiber; Soak alkali-resistant glass fiber is placed in the muffle furnace, feed nitrogen into furnace with 60mL / min speed, in Under nitrogen protection, heat up to 550°C at a rate of 8°C / min. After carbonization for 3 hours, heat up to 1600°C at a rate of 15°C / min. After 4 hours ...
example 3
[0028] Add alkali-resistant glass fiber and potassium permanganate solution with a mass fraction of 40% into a single-necked flask at a mass ratio of 1:100, stir and mix for 50 minutes at a rotating speed of 600r / min, and then filter to obtain a filter residue. The obtained filter residue was washed 5 times with deionized water, and then the filter residue was dried in a vacuum freeze-drying box for 2 hours to obtain the modified alkali-resistant glass fiber; in parts by weight, 100 parts of river sand, 40 parts of cement, and 20 parts of Fly ash, 20 parts of silica fume, 20 parts of slag, 80 parts of water, 30 parts of silane coupling agent, 20 parts of modified alkali-resistant glass fiber, first mix river sand, cement, fly ash, silica fume, slag, water Add the silane coupling agent into the mixer, stir and mix for 50min at the speed of 1200r / min, then add the modified alkali-resistant glass fiber to the mixer, and continue to stir and mix at the speed of 1200r / min After 50 ...
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